Home / 1,477,000.45-2,215,500.68-978,364.45

Finding the Fourth Proportional to 1,477,000.45, 2,215,500.68 and 978,364.45

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Solution

The fourth proportional to 1,477,000.45, 2,215,500.68 and 978,364.45 is: 1,467,546.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477,000.45 : 2,215,500.68 = 978,364.45 : x
  2. Step 2: Convert to fraction form
    1,477,000.45/2,215,500.68 = 978,364.45/x
  3. Step 3: Cross multiply
    1,477,000.45x = 2,215,500.68 × 978,364.45
  4. Step 4: Simplify right side
    1,477,000.45x = 2,167,567,104,262.83
  5. Step 5: Solve for x
    x = 2,167,567,104,262.83/1,477,000.45
  6. Step 6: Final answer
    x = 1,467,546.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.